CA1186782A - Control system for timing hammers of impact printers - Google Patents

Control system for timing hammers of impact printers

Info

Publication number
CA1186782A
CA1186782A CA000416979A CA416979A CA1186782A CA 1186782 A CA1186782 A CA 1186782A CA 000416979 A CA000416979 A CA 000416979A CA 416979 A CA416979 A CA 416979A CA 1186782 A CA1186782 A CA 1186782A
Authority
CA
Canada
Prior art keywords
counter
timing
fire
hammers
hammer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000416979A
Other languages
English (en)
French (fr)
Inventor
Douglas A. Dayger
Dean W. Skinner
Gerald R. Westcott
Michael D. Hryck
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA1186782A publication Critical patent/CA1186782A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J9/00—Hammer-impression mechanisms
    • B41J9/44—Control for hammer-impression mechanisms
    • B41J9/46—Control for hammer-impression mechanisms for deciding or adjusting hammer-firing time

Landscapes

  • Impact Printers (AREA)
CA000416979A 1982-01-11 1982-12-03 Control system for timing hammers of impact printers Expired CA1186782A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/338,709 US4440079A (en) 1982-01-11 1982-01-11 Control system for timing hammers of impact printers
US338,709 1982-01-11

Publications (1)

Publication Number Publication Date
CA1186782A true CA1186782A (en) 1985-05-07

Family

ID=23325834

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000416979A Expired CA1186782A (en) 1982-01-11 1982-12-03 Control system for timing hammers of impact printers

Country Status (7)

Country Link
US (1) US4440079A (es)
EP (1) EP0083694B1 (es)
JP (1) JPS58119883A (es)
BR (1) BR8300058A (es)
CA (1) CA1186782A (es)
DE (1) DE3279602D1 (es)
ES (1) ES8401379A1 (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57198544A (en) * 1981-05-28 1982-12-06 Sony Corp Manufacture of magnetic recording medium
CA1217245A (en) * 1983-10-27 1987-01-27 Ali T. Mazumder Character spacing circuit for controlling print hammer firing
US4597328A (en) * 1984-11-30 1986-07-01 International Business Machines Corporation Print hammer flight time control system
US4806031A (en) * 1986-08-15 1989-02-21 Dataproducts Corporation Uniform print density and registration in an impact printer
US4743821A (en) * 1986-10-14 1988-05-10 International Business Machines Corporation Pulse-width-modulating feedback control of electromagnetic actuators
JPS63107576A (ja) * 1986-10-23 1988-05-12 Brother Ind Ltd シリアルプリンタ
US4821639A (en) * 1987-08-12 1989-04-18 International Business Machines Corporation Control for enabling flight timing of hammers during printing
US5180235A (en) * 1987-09-22 1993-01-19 Canon Kabushiki Kaisha Impact printer with variable impact and rebound control
US5030020A (en) * 1987-11-27 1991-07-09 Oki Electric Industry Co., Ltd. Wire-dot impact printer having means for detecting displacement of individual print wires
US4838157A (en) * 1988-03-25 1989-06-13 Ncr Corporation Digital printhead energy control system
US4852481A (en) * 1988-07-14 1989-08-01 L. James Hubbard Print hammer mechanism
US5196547A (en) * 1991-03-07 1993-03-23 G. D. Searle & Co. Meso-azacyclic amides of imidazopyridine carboxylic acids and analogs thereof
JP2738786B2 (ja) * 1991-10-25 1998-04-08 沖電気工業株式会社 ワイヤドットヘッドの駆動装置
DE4221273C2 (de) * 1992-06-26 1996-01-11 Mannesmann Ag Steuerungsvorrichtung für Drucknadeln eines Matrixdruckkopfes antreibende Elektromagnetspulen bzw. für Drucknadeltreiber
US5383399A (en) * 1993-09-27 1995-01-24 Ncr Corporation Zero hammer adjustment drum printer control technique
JP2001322300A (ja) * 2000-05-17 2001-11-20 Nec Data Terminal Ltd ドットラインプリンタ

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3183830A (en) * 1960-12-27 1965-05-18 Rca Corp Print registration control means in high speed printers
NL136900C (es) * 1963-03-28 Ibm
FR2205003A5 (es) * 1972-10-26 1974-05-24 Honeywell Bull Soc Ind
FR2249538A5 (en) * 1973-10-24 1975-05-23 Honeywell Bull Soc Ind Printing machine hammer energy control - has adjustable time delay between hammers and impulse generator
US4027761A (en) * 1975-10-21 1977-06-07 Ncr Corporation Matrix print head impact energy control
JPS5811574Y2 (ja) * 1977-02-28 1983-03-04 安立電気株式会社 デイジタルプリンタ駆動装置
JPS5454529A (en) * 1977-10-08 1979-04-28 Hitachi Koki Kk Type digit number limiter for typewriter
NL177294C (nl) * 1977-11-03 1985-09-02 Philips Nv Drukker, voorzien van een slaginrichting met opnemer.
US4189246A (en) * 1977-12-22 1980-02-19 International Business Machines Corporation Variable print-hammer control for on-the-fly-printing
US4262591A (en) * 1978-12-18 1981-04-21 Robert C. Cook Office label printer and dispenser
US4293888A (en) * 1979-06-25 1981-10-06 International Business Machines Corporation Print hammer drive circuit with compensation for voltage variation
US4347786A (en) * 1979-10-01 1982-09-07 International Business Machines Corporation Impact printer hammer flight time and velocity sensing means
US4280404A (en) * 1979-10-03 1981-07-28 Printronix, Inc. Printer having variable hammer release drive
US4286516A (en) * 1979-10-15 1981-09-01 Burroughs Corporation Electronic control for timing hammers in impact printers
JPS5694480A (en) * 1979-12-27 1981-07-30 Fujitsu Ltd Print timing correcting device
US4368666A (en) * 1980-01-12 1983-01-18 Hitachi Koki Company, Limited Method and circuit arrangement for controlling print timing in a printing apparatus

Also Published As

Publication number Publication date
EP0083694B1 (en) 1989-04-12
JPH0422705B2 (es) 1992-04-20
DE3279602D1 (en) 1989-05-18
US4440079A (en) 1984-04-03
BR8300058A (pt) 1983-09-20
EP0083694A3 (en) 1986-01-08
EP0083694A2 (en) 1983-07-20
ES518220A0 (es) 1983-12-01
JPS58119883A (ja) 1983-07-16
ES8401379A1 (es) 1983-12-01

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry